Alert archive / Oregon / Mesoscale Discussions

Mesoscale Discussions in Oregon, 2020

19 mesoscale discussions in 2020. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in 2020. Tap one for its archive.

Mesoscale Discussions
19
Busiest month
August6 mesoscale discussions
Busiest day
April 30, 20202 mesoscale discussions

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Apr 30, 10:36 AM PDTMesoscale DiscussionSPCBaker, Malheur84 min
Apr 30, 1:58 PM PDTMesoscale DiscussionSPCMalheur92 min
May 2, 1:19 PM PDTMesoscale DiscussionSPCBaker, Crook, Gilliam, Grant, Morrow, Sherman and 4 more2 hr
May 17, 2:01 PM PDTMesoscale DiscussionSPCBaker, Union, Wallowa119 min
May 30, 11:20 AM PDTMesoscale DiscussionSPCCrook, Deschutes, Gilliam, Grant, Hood River, Jefferson and 7 more115 min
May 30, 3:13 PM PDTMesoscale DiscussionSPCGilliam, Morrow, Sherman, Umatilla, Union, Wasco and 1 more2 hr
May 31, 1:38 AM PDTMesoscale DiscussionSPCBaker, Union, Wallowa2 hr
Jun 5, 12:46 PM PDTMesoscale DiscussionSPCBaker, Wallowa119 min
Jun 11, 3:37 PM PDTMesoscale DiscussionSPCDeschutes, Gilliam, Jefferson, Morrow, Sherman, Wasco and 1 more113 min
Jun 11, 7:26 PM PDTMesoscale DiscussionSPCDeschutes, Douglas, Jackson, Jefferson, Lane, Linn and 1 more2 hr
Jun 12, 5:00 PM PDTMesoscale DiscussionSPCUmatilla, Union, Wallowa2 hr
Aug 16, 12:30 PM PDTMesoscale DiscussionSPCCrook, Deschutes, Gilliam, Grant, Harney, Jefferson and 6 more3 hr
Aug 17, 12:24 PM PDTMesoscale DiscussionSPCBaker, Grant, Harney, Union2 hr
Aug 17, 4:27 PM PDTMesoscale DiscussionSPCBaker, Gilliam, Grant, Jefferson, Morrow, Sherman and 4 more93 min
Aug 17, 8:00 PM PDTMesoscale DiscussionSPCMorrow, Umatilla90 min
Aug 18, 3:21 PM PDTMesoscale DiscussionSPCMalheur84 min
Aug 18, 6:08 PM PDTMesoscale DiscussionSPCCrook, Gilliam, Grant, Morrow, Umatilla, Union and 1 more97 min
Sep 17, 4:56 PM PDTMesoscale DiscussionSPCBenton, Clackamas, Coos, Douglas, Lane, Linn and 2 more2 hr
Sep 18, 2:10 AM PDTMesoscale DiscussionSPCClackamas, Columbia, Linn, Marion, Multnomah, Polk and 2 more2 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 30, 20202mesoscale discussions
  2. May 30, 20202mesoscale discussions
  3. August 17, 20202mesoscale discussions
  4. August 18, 20202mesoscale discussions
  5. May 2, 20201mesoscale discussions
  6. May 17, 20201mesoscale discussions
  7. May 31, 20201mesoscale discussions
  8. June 5, 20201mesoscale discussions
  9. June 11, 20201mesoscale discussions
  10. June 12, 20201mesoscale discussions
  11. June 13, 20201mesoscale discussions
  12. August 16, 20201mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20192021

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.